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Word: atom (lookup usage) (lookup stats)


Meaning:

Noun:

  • historical A theoretical particle of matter, imagined to be incapable of further division; the smallest possible unit of substance.
  • mathematics A non-zero member of a Boolean algebra that is not a union of any other elements.
  • obsolete The smallest mediaeval unit of time, equal to fifteen ninety-fourths of a second.
  • physics The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons.
  • The smallest, indivisible constituent part or unit of something.

Source: Wiktionary | Src Info »